7571220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 21325248

約数和(自身を除く): 13754028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 491, 514, 771, 982, 1028, 1285, 1473, 1542, 1964, 2455, 2570, 2946, 3084, 3855, 4910, 5140, 5892, 7365, 7710, 9820, 14730, 15420, 29460, 126187, 252374, 378561, 504748, 630935, 757122, 1261870, 1514244, 1892805, 2523740, 3785610, 7571220]

約数ペア:

[(1, 7571220), (2, 3785610), (3, 2523740), (4, 1892805), (5, 1514244), (6, 1261870), (10, 757122), (12, 630935), (15, 504748), (20, 378561), (30, 252374), (60, 126187), (257, 29460), (491, 15420), (514, 14730), (771, 9820), (982, 7710), (1028, 7365), (1285, 5892), (1473, 5140), (1542, 4910), (1964, 3855), (2455, 3084), (2570, 2946)]